Version 4
SHEET 1 1624 680
WIRE 96 -208 -32 -208
WIRE 144 -208 96 -208
WIRE 528 -208 144 -208
WIRE 752 -208 528 -208
WIRE 976 -208 752 -208
WIRE 976 -144 976 -208
WIRE 1200 -144 1120 -144
WIRE 1312 -144 1264 -144
WIRE 1408 -144 1312 -144
WIRE 1536 -144 1408 -144
WIRE 1408 -128 1408 -144
WIRE 528 -48 528 -208
WIRE 1312 -48 1312 -144
WIRE 144 16 144 -208
WIRE 368 16 144 16
WIRE 752 16 752 -208
WIRE 752 16 688 16
WIRE 976 16 976 -64
WIRE 1536 16 1536 -144
WIRE 96 96 96 -208
WIRE 368 96 336 96
WIRE 928 96 688 96
WIRE -32 112 -32 -208
WIRE 1408 112 1408 -48
WIRE 1408 112 1344 112
WIRE 1408 144 1408 112
WIRE 272 176 160 176
WIRE 368 176 272 176
WIRE 976 176 976 112
WIRE 976 176 688 176
WIRE 976 192 976 176
WIRE 160 224 160 176
WIRE 160 240 160 224
WIRE 752 240 752 16
WIRE 272 288 272 256
WIRE 336 352 336 96
WIRE 1344 352 1344 112
WIRE 1344 352 336 352
WIRE -32 384 -32 192
WIRE 96 384 96 160
WIRE 96 384 -32 384
WIRE 160 384 160 288
WIRE 160 384 96 384
WIRE 272 384 272 352
WIRE 272 384 160 384
WIRE 528 384 528 240
WIRE 528 384 272 384
WIRE 752 384 752 304
WIRE 752 384 528 384
WIRE 976 384 976 272
WIRE 976 384 752 384
WIRE 1120 384 1120 -64
WIRE 1120 384 976 384
WIRE 1312 384 1312 16
WIRE 1312 384 1120 384
WIRE 1408 384 1408 224
WIRE 1408 384 1312 384
WIRE 1536 384 1536 80
WIRE 1536 384 1408 384
WIRE -32 400 -32 384
FLAG -32 400 0
SYMBOL voltage -32 96 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR InstName V1
SYMATTR Value 9
SYMATTR SpiceLine Rser=1
SYMBOL PowerProducts\\LT1619 528 96 R0
SYMATTR InstName U1
SYMBOL cap 144 224 R0
SYMATTR InstName C1
SYMATTR Value 2.5n
SYMBOL res 256 160 R0
SYMATTR InstName R1
SYMATTR Value 26k
SYMBOL cap 256 288 R0
SYMATTR InstName C2
SYMATTR Value 22n
SYMBOL polcap 80 96 R0
SYMATTR InstName C3
SYMATTR Value 100µ
SYMBOL ind2 960 -160 R0
SYMATTR InstName L1
SYMATTR Value 19µ
SYMATTR Type ind
SYMBOL nmos 928 16 R0
SYMATTR InstName M1
SYMATTR Value Si7370DP
SYMBOL cap 736 240 R0
SYMATTR InstName C4
SYMATTR Value 10µ
SYMBOL res 960 176 R0
SYMATTR InstName R2
SYMATTR Value 0.05
SYMBOL ind2 1136 -48 R180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L2
SYMATTR Value 1200µ
SYMATTR Type ind
SYMBOL schottky 1200 -128 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value UPSC600
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL polcap 1296 -48 R0
SYMATTR InstName C5
SYMATTR Value 1µ
SYMBOL res 1392 -144 R0
SYMATTR InstName R3
SYMATTR Value 1500k
SYMBOL res 1392 128 R0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL load 1520 16 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value 20m
TEXT -66 424 Left 2 !.tran 100m startup
TEXT 1000 -176 Left 2 !K L1 L2 0.98